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Fly-fishing Los Alerces
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Los Alerces National Park, Argentina Fly Fishing Tour

The Los Alerces Fly Fishing Tour is your own adventure. Choose your own schedule for your trip and daily fly fishing destinations in and around the Los Alerces National Park, Patagonia, Argentina, while keeping your home base at the comfortable Villa Lago Rivadavia Lodge. Fly-fish from boat and shore on rivers and lakes on the eastern side of the majestic Andes. Sip the best wines of Argentina and Chile and experience the flavors of traditional Patagonia.

The following rivers are among your choices for your own private tour. You don’t have to choose which rivers you would like to fish until you arrive. Most important is to choose the dates of your stay. The Los Alerces Fly Fishing Tour is more conducive to day trips and evenings at the lodge. If you would like to do more overnight camping and fly fishing trips, we recommend the Nahuel Huapi Fly Fishing Tour. You can also arrange to mix and match the tours.

Click to see a recommended fly fishing sample itinerary for the Los Alerces Region.

Rivers for Fly-Fishing.

Alarcón Spring Creek

Location: Eighteen km from the Villa Lago Rivadavia Lodge, Argentina.

The Fish: Rainbows are the most abundant – there are Brown and Brook as well.

Alarcón Spring Creek is a branch of the Rivadavia River. Its slow moving, still and transparent waters make fly fishing a challenge. The Alarcón sports two main sections for fly fishing - some parts with tree covering and others relatively barren. Roll casting is a common technique for fly fishing on this river.

We suggest a 3 or 4 weight rod, though lightweight tippets could be used when fly fishing with scuds and nymphs #16 and smaller. Hatches are not usual due to the colder water temperature. The main food source for the fish are tiny olive scuds.

Carrileufu River

Location: Less than one km from the Villa Lago Rivadavia Lodge, Argentina.


The Fish: With the Carrileufu’s clear water, on sunny days it is easy to see the big fish. Many of them are landlocked Salmon - common until late December. When the temperature rises, they migrate back into the lake. Rainbows and Browns also inhabit the Carrileufu.

The Carrileufu is a gentle river that flows into Rivadavia Lake and the Los Alerces National Park, Argentina. The water is clear and cold. There are many logs in the upper sections, but the best action begins below that.


The best fly fishing is accessible only by boat. The hatches are not abundant so the use of streamers is almost mandatory - the orange and the black ones seem to work best. A fast #6 fly fishing rod is perfect for the Carrileufu.

Arroyo Pescado Spring Creek

Location: Thirty-eight km East of the town of Esquel, Argentina.

The Fish: There are mostly Rainbows as well as some big dark-colored Browns. The average fish weight is 2.5 pounds, though we have caught some that weigh up to 10.

The Arroyo Pescado is a wide and slow moving creek unlike most other spring drainages. Its riverbed is lined with a thick heavy moss that makes wading difficult while fly fishing. The Arroyo Pescado flows through a wide-open prairie with little protection from strong winds that can pick up in the afternoons.

The Arroyo Pescado has a dense population of fish. They are easy to catch with almost any nymph or dry fly, but during hatches they become selective. We suggest the strongest tippet available to prevent losing the fish in the mossy riverbed. Depending on the wind, a 4 to 6 weight line is fine for fly fishing the Pescado.

Note: There is an additional land owner’s fly fishing charge of US$ 50 per person to gain access to the Arroyo Pescado.

Rivadavia River

Location: Thirty km from Esquel, Argentina - within Los Alerces National Park.

The fish: About 60% of the fish are Rainbows and 30% Browns. The rest are Brook and landlocked Salmon - normally found in the coldest month of the season. The average fish measures 18 inches – the general population very healthy and strong.

Draining Lake Rivadavia, the Rivadavia River flows only eight kms before it reaches Verde Lake. Its crystal waters and smooth banks make for easy wading while fly fishing. Some stretches have logs where fish tend to hide, though it is common to witness gorgeous schools of trout at the tail of the pools.

We prefer fly fishing most of the river by boat and the hottest spots by shore. With the Rivadavia’s few hatches, we recommend a #5 or #6 fly fishing rod with sinking lines, though some attractor dry flies are effective in the summer months.

Arrayanes River and Verde Lake

Location: Twenty-six kms from the Esquel, Argentina - within Los Alerces National Park.

The Fish: The most abundant species is the rainbow. Brown trout are found in the deeper pools. In the late season, Brook trout can be found as well.

Draining Verde Lake, the wide Arrayanes River travels a short distance before its confluence with the Menendez River. Its banks are thickly vegetated with Arrayanes trees whose hanging branches and sunken trunks provide excellent shelter for fish.

Verde Lake is small yet heavily populated. It sports diverse characteristics such as shallows, cliffs, reeds, inlets and outlets - all of which can be fly-fished in a half day.

Lake Verde is best fished by boat – casting flies along the bank. We recommend streamers, but stimulators, caddis and even mouse flies assure action on the top, especially in the summer. Medium or fast action rods are favorites, with 5 or 6 weight line.

Patagonia, Argentina and The Weather

Sitting in the rain shadow of the eastern side of the Andes, this narrow transitional zone of mountain to prairie offers abrupt change in relief as well as precipitation.

Month

Temperature

Rain(mm)

November

17º / 4º

350

December

19º / 5º

260

January

21º / 6º

200

February

23º / 5º

250

March

19º / 4º

220

April

14º / 2º

480

From the thick-forested, western most reaches of these river drainages to the dry, open and windy desert to the east, precipitation ranges from more than 3000 to 30 mm per year. The Los Alerces transitional region is dominated by grasslands as well as a variety of wildlife, though there are few trees.

It is hard to define an average temperature because the weather close to the Andes of Argentina is unpredictable.

The following chart shows our findings of the best months for fly fishing these rivers.

November

December

January

February

March

April

Caleufu

*

*

*

 

 

*

Limay

*

*

 

 

 

*

Pichileufu

*

*

*

 

 

*

Hess

*

*

*

*

*

*

Moscos

*

*

*

*

*

*

Roca

*

*

*

*

*

*

Alarcón

*

*

*

 

*

*

Carrileufu

*

*

 

 

*

*

Rivadavia

 

*

*

*

*

*

Pescado

*

*

*

*

*

*

Arrayanes

*

*

*

*

*

*

During fly fishing season, the weather is usually dry and warm, but the presence of rain in spring and fall is not uncommon.

Wind is a common characteristic of Patagonia, Argentina. Sometimes it is very strong, but it usually drops out by early December and picks up again by mid March. Even in the hottest months, good protection against the weather is a must while fly fishing.

Lodging in Los Alerces National Park, Argentina:

In Villa Lago Rivadavia, Argentina, we offer lodging in comfortable, spacious and clean cabins close to the Los Alerces National Park entrance. The cabins are of mountain design typical of Patagonia, Argentina. They include amenities such as a refrigerator stocked with beverages and snacks.

Our guests experience fine food of the Patagonia region. We make sure that you have the chance to sample the wild meats and locally raised produce the Andes offer. Lunches are served on the rivers or lakes during the day. All other meals are served in restaurants close to the cabins, or prepared and served by your guides.

Click some of the
photos to enlarge.



Fly-fishing in Los Alerces National Park, Patagonia.






Big catch fly-fishing in Los Alerces National Park, Patagonia, Argentina.






Big catch fly-fishing in Los Alerces National Park, Patagonia, Argentina.






Fly-fishing Los Alerces National Park, Patagonia, Argentina.






Fly-fishing Los Alerces National Park, Patagonia, Argentina.






Fly-fishing Los Alerces National Park, Patagonia, Argentina.






Fly-fishing Los Alerces National Park, Patagonia, Argentina.






Fly-fishing Los Alerces National Park, Patagonia, Argentina.







Lake views in Southern Argentina, Patagonia.





Lodging on the Los Alerces

 
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